$61.39 per kg

Osprey® 18Ni300 (15-53um)

(No reviews yet) Write a Review
Priced and sold in kg units
Usually ships in 24-48 hours
Minimum Purchase:
10 units

Bulk discount rates

Here are the available bulk discount rates for each individual item when you purchase a certain amount.

  • Quantity Price
  • 10 - 59
  • 60 - 119
  • 120 - 199
  • 200 - 399
  • 400 - 799
  • 800 or above

Osprey® 18Ni300 is a high-hardness maraging steel alloyed with cobalt, nickel and molybdenum. The alloy is typically used for conformal-cooled mold tooling applications and manufacturing rubber tyre molds (sipes).

In both as-built, directly age-hardened and solution annealed (homogenized) and aged conditions, the parts can be machined, spark-eroded, welded, micro shot-peened, polished, and coated if required.

  • High strength and hardness
  • Low oxygen and impurity levels
  • 20°C (68°F) to 1,300°C (2,600°F) thermal conductivity
  • Heat-treatable for enhanced hardness and strength

Please download the Specifications and Safety Data Sheet documents below for more information.

Superior Cobalt Steel Alloy From Osprey®

Osprey® 18Ni300 is a maraging steel, a class of ultra-high strength, high hardness and high toughness steels that can be welded without preheating either in annealed (easy to machine) or heat-treated condition.

These properties make Osprey® 18Ni300 ideal for the laser powder bed fusion (L-PBF) process to manufacture parts with complex geometries for demanding applications that require an excellent combination of strength, toughness, and thermal stability.

High-Performance Metal Powder Delivered Fast

KBM is the most reliable ecommerce platform for ordering cobalt steel alloy metal powder online with lightning-fast lead times. We stock a range of quality metal powder, including copper, stainless steel, and nickel super alloys to support your diverse manufacturing needs. Create an account with us today to order genuine, certified metal powder from manufacturers you already trust.

Frequently Asked Questions

What is 18Ni300?

This is an alloy of 18% nickel and 300-grade maraging steel which is a popular metal used in the aerospace industry owing to its exceptional strength, durability, and resistance to corrosion. This metal powder has been designed for high-performance applications of demanding components.

What are the mechanical properties of 18Ni300?

18Ni300 from Osprey® is manufactured through Vacuum Inert Gas Atomized (VIGA) and Inert Gas Atomized (IGA) powder which results in tensile strength and yield strength of over 2,000 MPa and fatigue strength of approximately 700 MPa.

What are the uses of cobalt steel alloy?

Alloys of cobalt and steel are remarkably tough and resistant to wear, making them an ideal choice for conformal-cooled mold tooling and rubber-tyre mold (sipes) applications. A high heat resistance makes them suitable for machining aerospace components as well.

$61.39 per kg

Applicable Markets

  • A satellite in space circling the earth


    High strength, heat resistance, and durability are crucial for aerospace components. 18Ni300 offers all of these and more desirable properties including wear resistance.

  • Dental implant with metal screw on a table


    Cobalt steel alloys are biocompatible, which is why they’re used for the production of medical implants and dental prosthetics.

  • A man using an angle grinder

    Metal Tools

    Due to its hardness and wear resistance, 18Ni300 is suitable for the production of cutting tools like drills, end mills, and saw blades.